Operating Instructions; Fuel - Honda CR250R 2004 Owner's Manual

1. OPERATING INSTRUCTIONS

FUEL

Your CR has a two-stroke engine that requires a gaso-
line-oil mixture.
Fuel tank capacity: 2.0 US gal (7.7 liter, 1.7 Imp gal)
To open the fuel fill cap, pull the breather tube out of the
steering stem nut. Then turn the fuel fill cap
counterclockwise.
•
Use automobile gasoline with a pump octane
number of 92 or higher. If "knocking" or "pinging"
occurs, try a different brand of gasoline or a higher
octane grade.
•
Premix gasoline and oil in a ratio of 32:1. Prepare
the fuel mixture in a clean container, and shake until
thoroughly mixed before filling the fuel tank.
USE PRO Honda HP2 2-STROKE OIL (32:1) OR AN
EQUIVALENT.
CAUTION:
•
Too much oil will cause excessive smoking and
spark plug fouling. Too little oil will cause engine
damage or premature wear.
(1) FUEL FILL CAP (2) BREATHER TUBE
2
•
Vegetable oils separate from gasoline more easily
than mineral oils, especially in cold weather. It is
advisable to use mineral oil when ambient tem-
peratures below 0°C (32°F) are expected.
•
If the gasoline-oil mixture is left standing in a
container for a long period of time, lubricity will
deteriorate. Use the mixture within 24 hours-or the
time period recommended by the oil manufacturer.
•
Once an oil container is opened, the oil must be
used within one month, since oxidation may occur.
CAUTION:
•
Do not mix vegetable and mineral based oils.
•
Gasoline is extremely flammable and is explosive
under certain conditions. Perform this operation in
a well-ventilated area with the engine stopped. Do
not smoke or allow flames or sparks in the area
where gasoline is drained or stored and where the
fuel tank is refueled.
32:1 FUEL OIL MIXING CHART
Fuel
32
Gallons Liters Ounces
0.5 1.89 2.0
1.0 3.79 4.0
1.5 5.68 6.0
2.0 7.57 8.0
2.5 9.46 10.0
3.0 11.36 12.0
3.5 13.24 14.0
4.0 15.14 16.0
4.5 17.03 18.0
5.0 18.92 20.0
5.5 20.81 22.0
6.0 22.71 24.0
Oil
1
3
cm
59
118
177
237
296
355
414
473
532
591
651
710